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https://issues.apache.org/jira/browse/TAJO-1009?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14100494#comment-14100494
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ASF GitHub Bot commented on TAJO-1009:
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Github user hyunsik commented on the pull request:
https://github.com/apache/tajo/pull/121#issuecomment-52471736
Thank you for the quick review. I'll commit it shortly.
> A binary eval for column references of the same tables should not be
> recognized as a join condition
> ---------------------------------------------------------------------------------------------------
>
> Key: TAJO-1009
> URL: https://issues.apache.org/jira/browse/TAJO-1009
> Project: Tajo
> Issue Type: Bug
> Components: planner/optimizer
> Reporter: Hyunsik Choi
> Assignee: Hyunsik Choi
> Priority: Trivial
> Fix For: 0.9.0
>
>
> See the following example:
> {code}
> SELECT a,b,c from table1 where table1.a > table1.b;
> {code}
> EvalTreeUtil.isJoinQual recognizes the above predicate as a join qual. It's
> wrong.
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